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量化交易—python

  • 2026-02-01 05:37:06
量化交易—python
好几天没学习关于量化的内容了，今天开盘后高开高走，A股13连阳，所以抓紧继续学习，补补课。
今天到了关于python的操作，我之前也说过，编程对我来说很难，到现在仍然很难，好在有了AI工具可以解决这个棘手的问题，所以我们也不必过分担心，继续边学边看，边学边用。
入门教程中提到python对大小写比较敏感，很容易理解，就是如果把小写字母变成大写字母，系统就会报错。还有符号，必须用英文的，如果用中文的，系统会不识别，并报错，所以在编写的时候要注意这些细节。
还有一些代码的格式，行与缩进，一行写多条句子，一条句子写在多行，变量和赋值等，基本都是要实际编写的人需要注意和学习的点，像我的话，只有跳过才是最佳解。
接着提到了数字与字符串，算术运算，列表与字典等，也是涉及到python的具体操作方法，文末最后布置了一个小任务，让自行练习写一段能运行的代码，这里也直接跳过。因为写这个的时间太长了，等我学会，不知道到猴年马月了，索性就先不具体学习细节，后面再看。
我看文章的评论里，很多学计算机专业的人都说不难，尤其是学过C语言，甚至是C++语言的童鞋，看起来是一点难度都没有，真令人羡慕啊。
接着又说到了函数，函数的指的是某一串能实现专一功能的代码段，因为在编写代码的过程中，某些代码需要不停地大量的用，为了简便和提高效率，设定某个代码段能更快的维护和交流，后续一看到这个函数名，就知道是什么含义了。
python里面自带很多函数，可以直接用，也可以自定义函数，按我的理解，类似于excel表格里面的函数，比如求和，求平均数等，用的多了，自然就记住了。
聚宽设计的函数(如前文所说准确叫法是API)的用法都写在API文档里，位置在聚宽网站导航栏-帮助-API文档。有需要者可以自行搜索查看学习。
后面文章又拿一些函数进行举例说明，不同的函数有不同的输出，还有一些常用的下单函数的基本用法。总之，新手还是需要练。
今天先学到这里，继续加油！！！
种一棵树最好的时间是十年前，其次是现在。   Just   do    it  !
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  1. CONNECT:[ UseTime:0.000865s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001459s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.027277s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.006804s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001656s ]
  6. SELECT * FROM `set` [ RunTime:0.002188s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001533s ]
  8. SELECT * FROM `article` WHERE `id` = 460120 LIMIT 1 [ RunTime:0.007341s ]
  9. UPDATE `article` SET `lasttime` = 1770575690 WHERE `id` = 460120 [ RunTime:0.004709s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.010151s ]
  11. SELECT * FROM `article` WHERE `id` < 460120 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.005221s ]
  12. SELECT * FROM `article` WHERE `id` > 460120 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.033429s ]
  13. SELECT * FROM `article` WHERE `id` < 460120 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.067676s ]
  14. SELECT * FROM `article` WHERE `id` < 460120 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.102478s ]
  15. SELECT * FROM `article` WHERE `id` < 460120 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.027899s ]
0.399161s